Storage box



FIG. 1 is a front left perspective view of a storage box of the present design;

FIG. 2 is a top plan view of the storage box of FIG. 1;

FIG. 3 is a front elevational view of the storage box of FIG. 1;

FIG. 4 is a back elevational view of the storage box of FIG. 1;

FIG. 5 is a side elevational view of the storage box of FIG. 1; and,

FIG. 6 is a bottom plan view of the storage box of FIG. 1.

The broken lines show portions of the storage box that form no part of the claimed design. 

CLAIM The ornamental design for a storage box, as shown and described. 